Finding the Fourth Proportional to 68,139,607,792.06, 102,118,049,492.93 and 53,031,420,711.05
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Solution
The fourth proportional to 68,139,607,792.06, 102,118,049,492.93 and 53,031,420,711.05 is: 79,476,026,063.68
Step by Step Solution
- Step 1: Write the proportion equation
68,139,607,792.06 : 102,118,049,492.93 = 53,031,420,711.05 : x - Step 2: Convert to fraction form
68,139,607,792.06/102,118,049,492.93 = 53,031,420,711.05/x - Step 3: Cross multiply
68,139,607,792.06x = 102,118,049,492.93 × 53,031,420,711.05 - Step 4: Simplify right side
68,139,607,792.06x = 5,415,465,244,850,886,017,024 - Step 5: Solve for x
x = 5,415,465,244,850,886,017,024/68,139,607,792.06 - Step 6: Final answer
x = 79,476,026,063.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.